For centuries lighthouses have served as navigation aids, helping protect marine traffic from running aground on dangerous coastlines, rocks and reefs. As we’re ever-so-slightly fond of superlatives here at Google Sightseeing, we’ll take a tour of the tallest lighthouses around the world1. Top ten tallest lighthouses The world’s tallest lighthouse is the 133m (436 ft) Jeddah Light in Saudi Arabia, which doubles as the control tower for this busy commercial port. The white tower and dome can be seen from about 40km away, and it’s a vital marker on this coastline which is dotted with dangerous coral reefs.…